package com.atguigu.gulimall.product.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.data.redis.support.collections.RedisProperties;


@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class MyCacheConfig {
    @Autowired
    CacheProperties cacheProperties;
    /**
     * 配置文件中的东西没有配置上
     * 1、原来和文件绑定的配置类是这个样子的
     *       @ConfigurationProperties(prefix = "spring.cache")
     *       public class CacheProperties
     * 2、生效
     *
     */
    @Bean
    RedisCacheConfiguration redisCacheConfiguration( CacheProperties cacheProperties){
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
       config =  config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
       config =  config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        CacheProperties.Redis redisProperties= cacheProperties.getRedis();
       //将配置文件中的所有配置
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }

        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
        }

        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }

        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
